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71 lines
1.2 KiB
71 lines
1.2 KiB
// SPDX-License-Identifier: LGPL-2.1-or-later |
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/* |
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* libfdt - Flat Device Tree manipulation |
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* Testcase for node existence |
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* Copyright (C) 2016 Konsulko Inc. |
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*/ |
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#include <stdio.h> |
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#include <libfdt.h> |
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#include "tests.h" |
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#define CHECK(code) \ |
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{ \ |
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int err = (code); \ |
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if (err) \ |
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FAIL(#code ": %s", fdt_strerror(err)); \ |
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} |
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/* 4k ought to be enough for anybody */ |
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#define FDT_COPY_SIZE (4 * 1024) |
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static void *open_dt(char *path) |
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{ |
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void *dt, *copy; |
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dt = load_blob(path); |
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copy = xmalloc(FDT_COPY_SIZE); |
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/* |
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* Resize our DTs to 4k so that we have room to operate on |
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*/ |
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CHECK(fdt_open_into(dt, copy, FDT_COPY_SIZE)); |
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free(dt); |
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return copy; |
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} |
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int main(int argc, char *argv[]) |
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{ |
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void *fdt_base; |
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int fail_config, exists, check_exists; |
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test_init(argc, argv); |
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fail_config = 0; |
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if (argc != 4) |
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fail_config = 1; |
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if (!fail_config) { |
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if (!strcmp(argv[2], "exists")) |
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check_exists = 1; |
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else if (!strcmp(argv[2], "not-exists")) |
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check_exists = 0; |
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else |
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fail_config = 1; |
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} |
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if (fail_config) |
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CONFIG("Usage: %s <base dtb> <[exists|not-exists]> <node-path>", argv[0]); |
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fdt_base = open_dt(argv[1]); |
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exists = fdt_path_offset(fdt_base, argv[3]) >= 0; |
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if (exists == check_exists) |
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PASS(); |
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else |
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FAIL(); |
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}
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